Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

(1964). Map of Hadrian's Wall: Scale 1:31,680 or two inches to one mile. Ordnance Survey.

Chicago Citation Edition Citation

Map of Hadrian's Wall: Scale 1:31,680 or Two Inches to One Mile. Chessington: Ordnance Survey, 1964.

MLA Citation Edition Citation

Map of Hadrian's Wall: Scale 1:31,680 or Two Inches to One Mile. Ordnance Survey, 1964.